Can the simple scheduler produce the following schedules? Can the common scheduler produce these schedules? Give reasons for your answer. a) s: r1[z], r2[x], r2[y], w2[y], a2, r1[y], wl[y], c1 b)s : r1[y], r2[x], 12[y], w2[z], c2, rl[y], wl[y], cq c)s: rl[y], r2[y], r1[z], w2[y], r2[x], a2, wl[y], c1

Answers

Answer 1

The simple scheduler may or may not generate the given schedules. The common scheduler, on the other hand, can produce these schedules.The Simple scheduler can generate the given schedules because it follows a First Come First Serve (FCFS) approach.

In the given schedules, each transaction executes one instruction at a time in the order of their arrival in the system. As a result, the simple scheduler can produce the given schedules since they can be executed in the same order as they arrive in the system.On the other hand, the common scheduler can also produce the given schedules. This is because the common scheduler employs a two-phase locking mechanism, which provides concurrency control in the transaction execution process.

When the common scheduler applies the two-phase locking mechanism to the given schedules, it determines the locks that each transaction requires to carry out its execution. As a result, the common scheduler can generate the given schedules by ensuring that all transactions acquire the appropriate locks in the correct order. This ensures that no two transactions conflict, which results in deadlock, starvation, or another issue.

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Related Questions

True or False. A Windows Server running the iSCSI Target feature requires that the Microsoft iSCSI Initiator Service to be in Running status.

Answers

A Windows Server running the iSCSI Target feature requires that the Microsoft iSCSI Initiator Service to be in Running status: True.

In Cloud computing, a storage area network (SAN) refers to a high-speed computer network that is specially designed and developed to avail end users the ability to have an access to a consolidated, block-level data storage.

Hence, a storage area network (SAN) is typically designed to connect network servers to a data storage.

iSCSI is an acronym for Internet Small Computer System Interface and it is an internet protocol (IP) standard that is used essentially on a storage area network (SAN), for connecting data storage facilities over a transmission control protocol and internet protocol (TCP/IP).

On Windows Server, after an iSCSI Target feature has been installed, you should proceed to create a new iSCSI virtual disk and then configure the access server on your computer system.

By the default, the Microsoft iSCSI Initiator Service is stopped on Windows computer.

In order to use it, you must start the service and make sure its status reads "Running" before any configuration can be done.

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Different countries in the world have launched their own navigation system why​

Answers

Answer:

China, the European Union, Japan and Russia have their own global or regional navigation systems to rival GPS

Answer: The reason other countries made their own id because they don't trust the U.S the U.S gps listens to you talk and tracks you.

Explanation: Please give brainlist.

Hope this helps!!!!

the udp and tcp protocols have a large overlap of functionalities.

Answers

UDP (User Datagram Protocol) and TCP (Transmission Control Protocol) are both transport layer protocols used in computer networks.

UDP (User Datagram Protocol) and TCP (Transmission Control Protocol) protocols have a large overlap of

functionalities. However, their applications vary based on their functionalities, advantages, and disadvantages. A

protocol is a set of rules and regulations for transmitting data through any communication channel. TCP and UDP are

protocols used in the Internet protocol suite. TCP and UDP are communication protocols that are widely

used in the Internet protocol suite. They are designed for different purposes. Both protocols are used to send packets

of data over the internet, but they differ in the way they operate. UDP (User Datagram Protocol)UDP is an unreliable,

connectionless protocol that is used for sending small packets of data known as datagrams. It does not provide any

reliability features such as flow control, error recovery, and congestion avoidance. UDP is a faster protocol than TCP. It

is used for applications that require fast transmission of data and do not require any error checking. UDP is commonly

used for video streaming, online gaming, and other real-time applications. TCP (Transmission Control Protocol)TCP is a

reliable, connection-oriented protocol that is used for sending large packets of data. It provides reliability features such

as flow control, error recovery, and congestion avoidance. TCP ensures that all packets are delivered in order, without

any loss or duplication. TCP is slower than UDP due to the overhead of reliability features. It is used for applications

that require a reliable data transmission, such as web browsing, file transfer, email, and other non-real-time

applications.

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adsl is ideal for internet access because most users upload more information than they download from the internet. group of answer choices true false

Answers

False ADSL stands for Asymmetric Digital Subscriber Line. It is a type of broadband communication technology that uses existing copper telephone lines to transmit high-speed digital data.

ADSL technology is asymmetric, which means that it has different speeds for uploading and downloading data. It is ideal for Internet access because most users download more information from the Internet than they upload, and ADSL technology provides faster download speeds than upload speeds.

In ADSL technology, the download speed is usually much faster than the upload speed. This makes it ideal for Internet access because most users download more information from the Internet than they upload. So, the statement "adsl is ideal for internet access because most users upload more information than they download from the internet" is false. Therefore, the main answer is false.

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Cache hit occurs when requested data is found in cache. For cache hit, data in main memory is loaded again to cache.

Answers

Answer:

 TRUE

Explanation:

In the field of computing, cache is defined as the software or hardware component which stores the data and information for future use. It is a place in the computer software or hardware where the data are stored for their future use so that it can be retrieved faster when the data or the information is requested by the user.

A cache hit occurs when the data that is requested by the user is found in the cache memory. It is meant to deliver the data faster to the processor. And for the cache hit, the data in the memory is again loaded in the cache when the data is used.

The ______ tab is a contextual tab and displays only when media content on your slide is selected

Answers

The complete statement is:

The Table Tools tab is a contextual tab and displays only when media content on your slide is selected

How to determine the tab

There are several tabs in Microsoft Office packages

Some of these tabs include

Home Page layoutReview and ViewEtc

Of all the available tabs in these packages, the table tool tab is contextual.

This is so because it is not display unless the media is selected

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What is a Live Shape?

Answers

Rounded Rectangle tool (Live Shape) This is similar to the Rectangle shape, but with more corner radius options. You can adjust your corners while drawing by using the up and down key arrows

6. A small design agency you are consulting for will be creating client websites and wants to purchase a web server so they can host the sites themselves. How will you advise them on this purchase?

Answers

Answer:

Explanation:

The best way to advise the agency in this matter would be to help them completely understand the total cost of ownership of the server. This includes the server itself but many other factors as well. Such as any and all server software and application software that they will need, an IT server manager, facility costs, security costs, backup features. These are some of the main costs that they will be incurring but there may be more unforeseen costs. Therefore the best way to advise them is by providing all of this information so that they can make the most informed decision possible.

How to resolve the error message ""Please wait for the game content to finish installing"" on Hogwarts Legacy?

Answers

If you continue to see this message even after waiting for some time, there are a few things you can try to resolve the issue:

Check your internet connection: Slow internet speeds or connection issues can cause downloads to take longer than expected. Try resetting your router or modem, or contacting your internet service provider to see if there are any known issues in your area.

Check for updates: Make sure you have the latest version of the game and any updates installed. Go to the game library on your console or PC and check for any available updates.

What is  error message?

The "Please wait for the game content to finish installing" message on Hogwarts Legacy typically means that the game is still downloading or installing in the background. You will need to wait until the download or installation process is complete before you can start playing the game.

Others are:

Restart the game: Try restarting the game to see if it triggers the download or installation process to continue.

Lastly, Clear the cache: Clearing the cache on your console or PC can help resolve issues with game downloads or installations. Consult your device's documentation on how to clear the cache.

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What is the singular of Data?
What are alphanumeric characters?

Answers

Answer:

1. Datum

2. Alphanumericals are a combination of alphabetical and numerical characters

Explanation:

Help !! -- Please ....................................................................................................

Help !! -- Please ....................................................................................................

Answers

Answer:

1. Prompt user for input and get length and store in L

2. Prompt user for input and get width and store in W

3. Perform calculation p = 2LW and print out result

How do i fix this? ((My computer is on))

How do i fix this? ((My computer is on))

Answers

Answer:

the picture is not clear. there could be many reasons of why this is happening. has your computer had any physical damage recently?

Answer:your computer had a Damage by u get it 101 Battery

and if u want to fix it go to laptop shop and tells him to fix this laptop

Explanation:

Differentiate between types of JavaScript object. Grade 9

Answers

Answer:

Object.

Date.

Array.

String.

Number.

Boolean

Select the correct answer. In which area is composing for games similar to composing for movies?
A. royalties earned
B. success of song-based soundtracks
C. usage of audio software for mixing and editing
D. spotting sessions

Answers

I believe the answer is c, hope this helps

Answer:

c

Explanation:

cuz im jus right

Print even numbers till 50 in python coding.

Answers

In python, you can use a simple list comprehension to solve this problem.

print([x for x in range(51) if x % 2 == 0])

This code prints all the even numbers from 0 to 50 including 0 and 50.

Calculate and print the average mark achieved for a test for a group of four students.

Answers

Answer:

To calculate the average, add the test scores together and divide the sum (483) by six.

Explanation:

An excerpt of a sample business cover letter. The text uses curly font and has a warm to cold color background. What change does NOT need to be made to the above cover letter excerpt before sending it to an employer? a. Remove background color b. Change text to a basic font c. Remove business letter format d. Change font color to black Please select the best answer from the choices provided A B C D.

Answers

Answer:The answer is c because i took the quiz hope this helps

Explanation:

cccccccccccccccccccc

In a typical transport network optimization problem, transport
routes are:
Nodes.
Constraints.
Attributes. Arcs.

Answers

In a typical transport network optimization problem, transport routes are represented as arcs. In graph theory, arcs are defined as directed edges that connect two vertices or nodes.

Therefore, a transport network optimization problem can be viewed as a directed graph where the nodes represent the origins and destinations of the goods to be transported, and the arcs represent the transport routes that connect them.The optimization of transport networks is crucial to the efficient management of logistics operations. Transport network optimization involves determining the best routes, modes of transport, and schedules that minimize transport costs while meeting the delivery requirements.

The optimization problem is typically formulated as a linear programming model that aims to minimize the total transport costs subject to constraints such as capacity constraints, time constraints, and demand constraints.The attributes of transport routes such as distance, travel time, and cost per unit distance are used to define the objective function and the constraints of the optimization model. The optimization model is solved using algorithms such as the simplex method, the interior point method, or the branch and bound method. The optimal solution of the optimization model provides the optimal transport routes, modes of transport, and schedules that minimize transport costs while meeting the delivery requirements.In conclusion, the optimization of transport networks is essential for the efficient management of logistics operations.

Transport routes are represented as arcs in a typical transport network optimization problem, and the optimization problem is formulated as a linear programming model that aims to minimize transport costs subject to constraints such as capacity constraints, time constraints, and demand constraints. The attributes of transport routes are used to define the objective function and the constraints of the optimization model, and the optimal solution provides the optimal transport routes, modes of transport, and schedules.

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In a binary integer programming (BIP) problem, 1 corresponds to yes and 0 corresponds to no. If there are 3 projects under consideration, X,Y, and Z, and X and Z are mutually exclusive, which constraint must be added to the model formulation if it is also required that one of X and Z must be chosen? a. X+Y+Z≥1 b. X+Y+Z≤1 c. X+Z≥1 d. X+Z=1 e. X−Z≤1 f. X+Y+Z+1 g. X+Z≤1 h. X−Z=1
i. X−Z≥1
​.

Answers

The constraint that must be added to the model formulation is X+Z≤1. So, option G is accurate.

Since X and Z are mutually exclusive, only one of them can be chosen. To ensure that at least one of them is chosen, we need to add the constraint that the sum of X and Z is less than or equal to 1. This constraint allows for the possibility of either X or Z being chosen, but not both simultaneously. Therefore, the correct constraint to enforce the requirement that one of X and Z must be chosen in the binary integer programming problem is X+Z≤1.

Since X and Z are mutually exclusive and we want to ensure that one of them is chosen, we need to include both X and Z in the constraint. By adding X+Y+Z≥1, we guarantee that at least one of X or Z (or both) is selected for the solution.

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seth, a zoologist, has a spreadsheet containing data on all the animals in a zoo. he wants to sort the column that contains the weights of all of the animals. which sort tool could he use to reorganize the numbers so they are listed from smallest to largest?

Answers

Seth, the zoologist, can use the "Sort" tool in spreadsheet software to reorganize the numbers in the column from smallest to largest.

To use the "Sort" tool, Seth can follow these general steps:

Open the spreadsheet containing the animal data.

Select the entire column that contains the weights of the animals.

Look for the "Sort" or "Sort Ascending" option in the menu bar or toolbar of the spreadsheet software. It is typically represented by an icon with ascending or descending arrows.

Click on the "Sort" option, and the software will rearrange the numbers in the selected column from smallest to largest.

By using the "Sort" tool, Seth will be able to organize the weights of the animals in ascending order, making it easier to analyze and compare the data.

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NEED ASAP.


Which multimedia feature can be used to automatically move objects in your slides?
X transition
O animation
O clipart
O innovation

Answers

Animationnnnnnnnnnnnn
Animation or clip art!!

write the order of tasks that each person completes in order to make mashed potatoes in the shortest time. in order to format your answer, write the sequence of tasks each person does, with commas between tasks of one person, and semicolons between task lists of different people. for example, if you submit 0,1,2,4;3,5, person 0 will do tasks 0, 1, 2, and 4 (in that order), and person 1 will do tasks 3 and 5 (in that order). this will take 33 minutes total. you may add spaces, and order the task lists in any order. for example, the autograder will consider the above answer as equivalent to the submission 3,5;0,1,2,4 and the submission 0, 1, 2 ,4 ;3 ,5

Answers

To make mashed potatoes in the shortest time, the tasks can be divided among multiple people. Here is one possible distribution of tasks:

Person 1: Peel and chop potatoes, Boil water, Drain potatoes, Mash potatoesPerson 2: Set the table, Prepare butter and milk, Season mashed potatoe Person 3: Make gravy, Serve mashed potatoes and gravyThe sequence of tasks for each person can be represented as follows:Person 1: Peel and chop potatoes, Boil water, Drain potatoes, Mash potatoesPerson 2: Set the table, Prepare butter and milk, Season mashed potatoesPerson 3: Make gravy, Serve mashed potatoes and gravyNote: The order of the task lists can be rearranged, and spaces can be added for clarity. The autograder will consider answers with equivalent task sequences as correct.

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mightier than the waves of the sea is his love for you

Answers

cool but kinda creepy ngl


Can Anyone see what's wrong in this
this is not working why ?
you can see in picture its not working why ?
please help me
can u see what the problem

Can Anyone see what's wrong in this this is not working why ?you can see in picture its not working why

Answers

do you mean the highlighted part, "<img scr = "https : // images. app. goo. gl?"

Inputs should be blue colored font and should have ________ only. Process and outputs should be in black colored font and have _______ only.

Answers

Inputs should be blue colored font and should have hardcoded number only. Process and outputs should be in black colored font and have formulas only.

What does input implies?

Input refers to any data that is given to a computer or software application. Data input refers to the process of entering information into a computer because the information delivered is also regarded as data.

What does Output implies?

The output is how the computer presents the results of the process, such as text on a screen, printed materials, or sound from a speaker.

What is a hardcoded number?

Software developers may hardcode a distinct serial number directly into a program as a digital rights management technique. Or a public key is frequently hardcoded, resulting in DRM that is impossible to produce a keygen for.

What is DRM?

Copyrights for digital media can be secured through the use of digital rights management (DRM). This strategy makes use of tools that restrict the duplication and utilization of works protected by copyright as well as proprietary software.

Note that, process and outputs should be in black font with just formulas, while inputs should be in blue font with only hardcoded numbers.

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The normal time to perform a repetitive manual assembly task is 4.25 min. In addition, an irregular work element whose normal time is 1.75 min must be performed every 8 cycles. Two work units are produced each cycle. The PFD allowance factor is 16%. Determine (a) the standard time per piece, (b) how many work units are produced in an 8-hour shift at standard performance, and (c) the anticipated amount of time worked and the amount of time lost per 8-hour shift that corresponds to the PFD allowance factor of 16%.

Answers

The standard time per piece in a manual assembly task is 7.75 minutes, which includes a repetitive task time of 4.25 minutes and an irregular work element time of 3.5 minutes. In an 8-hour shift, at standard performance, 60 work units are produced considering a cycle time of 8 cycles and two units per cycle. The PFD allowance factor of 16% accounts for anticipated time lost due to personal needs, fatigue, and minor delays.

(a) Standard Time per Piece: Repetitive Task Time = 4.25 min.

Irregular Work Element Time = 1.75 min * 2 units (since two work units are produced each cycle) = 3.5 min.

Total Standard Time per Piece = Repetitive Task Time + Irregular Work Element Time.

= 4.25 min + 3.5 min.

= 7.75 min.

(b) Number of Work Units Produced in an 8-Hour Shift:

Cycle Time = 8 cycles (since the irregular work element is performed every 8 cycles).

Working Time = 8 hours = 8 * 60 minutes = 480 minutes.

Number of Work Units Produced = (Working Time) / (Cycle Time) * (Work Units per Cycle).

= 480 min / 8 cycles * 2 units.

= 60 units.

(c) Time Worked and Time Lost:

PFD (Performance Factor with Delay) allowance factor is 16%. This factor represents the anticipated amount of time lost due to personal needs, fatigue, and minor delays.

Time Worked = Working Time * (1 - PFD allowance factor).

= 480 min * (1 - 0.16).

= 480 min * 0.84.

= 403.2 min.

Time Lost = Working Time - Time Worked.

= 480 min - 403.2 min.

= 76.8 min.

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1. what are the steps for transforming a data model into a database design?

Answers

The process of transforming a data model into a database design involves include identifying entities and relationships, defining attributes and data types, establishing primary and foreign keys, normalizing the data, and considering performance and optimization factors.

The first step in transforming a data model into a database design is to identify entities and their relationships. This involves analyzing the requirements and determining the main entities and their associations. Entities represent real-world objects or concepts, while relationships define the connections between these entities.

The next step is to define attributes and data types for each entity. Attributes represent specific properties or characteristics of an entity, and data types determine the format and range of values for these attributes. This step helps in structuring the data properly and ensuring its integrity and consistency.

Once attributes are defined, the third step involves establishing primary and foreign keys. A primary key is a unique identifier for each entity instance, while foreign keys create relationships between entities. Primary and foreign keys help maintain data integrity and enable efficient querying and retrieval of information.

After defining keys, the next step is to normalize the data. Normalization is the process of organizing data into tables to eliminate redundancy and ensure data consistency. This step involves applying normalization rules to identify dependencies and create tables that minimize data duplication and update anomalies.

Lastly, during the transformation process, it is important to consider performance and optimization factors. This involves optimizing the database design for efficient storage, retrieval, and manipulation of data. Techniques such as indexing, partitioning, and denormalization may be employed to enhance performance based on the specific requirements of the application.

By following these steps, a data model can be effectively transformed into a well-designed and efficient database structure that meets the requirements of the intended application.

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Does anyone know how to unblock websites on a school chromebook?

Answers

Answer:

sorry honey don't know!!!!!

I do what website are you trying to unblock?

Please answer these computer fill in the blanks
1) operators are the _______________ used in formulas to perform a particular calculation
2) the____________feature of Excelhelps to copy the formula quickly
3) Excel provides over ________________used to perform calculations
4) ____________ category of functions includes functions for calculation, and tracking principal and interest
5) ___________ functions returns one of two results you specify based on whether the value is TRUE or FALSE

Answers

Answer:

best

cool

Explanation:

a language translator is a ???

Answers

Answer:

Explanation:

speech program

Answer:

hi

Explanation:

language translator is a program which is used to translate instructions that are written in the source code to object code i.e. from high-level language or assembly language into machine language.

hope it helps

have a nice day

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1. What is the main idea of the article? 1. Killer Whales are endangered and need our protection.2. Killer Whales are in the dolphin family.3. Killer Whales are popular icons.4. Killer Whales are on the decline. Tiara earned 12 dollars on herfirst day selling lemonade, and shewas determined to earn 3 moredollars each day than she hadmade the day before. If she metthis goal exactly, how muchmoney did she earn, in total, forher first 20 days selling lemonade?A. 610 B. 810 C.72 D. 69 Divide. Give the quotient and remainder.133 2 ded.Winnie, Daud and Parvin collected a total of 9000 stickers.Winnie collected 3274 stickers.She collected 931 fewer stickers than Daud.latHow many stickers did Daud collect?(b)How many stickers did Parvin collect? (c) based on the information in the graph, describe how an increase in the frequency of fires would affect the percent cover of mosses. The South hoped ___ would gain the support of England.slaveryhabeas corpusSouthern cookingesprit de corpscotton diplomacy Which pair of numbered statements best completes the chart related to thefeatures of the chambers of Congress?House of RepresentativesSenateProposes all tax billsApproves presidential appointmentsA. (1) Affected by gerrymandering; (2) Not affected bygerrymanderingB. (1) Ratifies treaties with foreign countries; (2) Can impeach publicofficialsC (1) All states have equal representation; (2) Representation basedon state populationsD. (1) Led by the vice president, (2) Led by a speaker what type of cell is activated in lymphatic tissue by macrophages presenting antigens during a viral infection? Organisms are either eukaryotes or prokaryotes. Prokaryotes are further classified into the domains Archaea or Bacteria, while all eukaryotes are in the domain Eukarya. All three domains have some cell structures in common, whereas other structures are found in members of only one or two domains. I need help with this assignment. Can anyone answer these questions for me and tell me what i need to say when i record my answer. If answered correctly I'll Mark Brainliest and give 5 stars. 5. All of the following were economic activities of the New England coloniesEXCEPTa. Lumberb. WhalingC. Farmingd. Shipbuilding Write a 250 word essay, explaining and defending your stance on the following statement. Congress is most powerful check on the president is impeachment. Please include the following vocabulary words ;branch, government and Congress Recently, a random sample of 1318 year olds was asked, "How much do you currently have in savings?" The data in the table represent the responses to the survey Approximate the mean and standard deviation amount of savings. Simplify the following expression. (51x + 87y) - (-43x + 10y) A) Calculate the pH of 0. 215 M carbonic acid. Ka1 for carbonic acid is 4. 3 X 10-7. pH = 3. 52B) Now, suppose you add some solid sodium hydrogen carbonate to the carbonic acid solution in part A). What will happen to the pH?The pH will remain the same when the sodium hydrogen carbonate is added. You can't tell what will happen to the pH. The pH will rise when the sodium hydrogen carbonate is added. A buffer is formed and the pH will rise when the sodium hydrogen carbonate is added. The pH will fall when the sodium hydrogen carbonate is added. A buffer is formed and the pH will fall when the sodium hydrogen carbonate is added. A buffer is formed and the pH will remain the same when the sodium hydrogen carbonate is added. C) Calculate the pH of solution when the concentration of sodium hydrogen carbonate is 0. 820 M. pH = 6. 94790693688853 write the number positioned at point F jason is a 29 year old admitted to your unit following a gunshot wound to the chest.he had two chest tubes placed in the emergency department.they are connected with Y tubing to a chest drainage system.the physician has ordered a suction level of 20cm water. 1.specify what you will observe for as far as you assess each of the folllowi g:Jason,Tubing,chest darinage system. 2.Using a straw ,blow bubbles into the large jar of water .then blow bubbles into the small jar of water.Be sure your straw is at the bottom of each jar.With which jar do you have to exert more effort to blow bubbles?what is the implication for the patient with a chest tube. 3.Look at jason's Thora-seal unit.Assess each chamber.What is wrong with the water seal chamber?What effect could this have on jason. b.Is the suction control chamber properly prepared. C. It is now 1400 hours,and you are assessing Jason's intake and output for your output for your shift .How much output will you document? HCG hormone is what? Which city was the capital of Yuan Dynasty?BeijingCambulacShanghaiSeoul Please help me thanks!